Tentacle (noun)

A flexible, elongated appendage used for feeling, grasping, or moving, typically found in cephalopod mollusks such as squids and octopuses.

Origin:

Derived from the latin word 'tentaculum' meaning 'feeler'.

Examples:

1. The octopus used its tentacles to capture its prey.
2. The tentacles of the squid were covered in suckers that allowed it to cling to surfaces.
3. The jellyfish's tentacles were lined with stinging cells to protect it from predators.
4. The scientist carefully studied the movement of the octopus's tentacles.
5. The little girl was fascinated by the long, wavy tentacles of the sea anemones in the aquarium.